If you’re looking for a 1-second time reference, you’d probably just grab a GPS module off the shelf and use the 1PPS output. As demonstrated by [InazumaDenki], though, an old quartz clock module can ...

If you're old enough to remember the '60s and '70s, you have some memory of car clocks that actually worked. Seems they worked when these vintage cars were new, but as the years passed, the ticking ...

Of all the projects you can build in your workshop, one of the easiest is a wall clock. You can buy quartz clockworks and hands in kits for about $6 at many places -- home centers, woodworking stores, ...